'Nuclear engines' could provide power to humans on Mars

NASA's Kilopower engines will use a uranium rector the size of a toilet roll to create heat, then a high efficiency Stirling engine would convert this to electricity.

NASA is set to begin testing a radical 'nuclear engine' that could provide power for astronauts on the Martian surface.Dubbed the 'Kilopower' it would use a uranium rector the size of a toilet roll to create heat.A high efficiency Stirling engine would then convert this to electricity, in a system that works in a similar way to a car engine.Scroll down for video NASA plans to test the radical nuclear power source on Earth later this year. Pictured, an artist's impression of the system o...

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